Thinking the encounter was over, Fergie walked away, only to have the young bridesmaid yell out one last question, because it seemed the six-year-old was really, really confused about Fergie's role in the royal establishment.

"You're a Princess?" she asked.

"Yes," Fergie replied quickly before hopping in her car and driving away.

Though Teddy's younger siblings - three-year-old brother Charlie and newborn baby sister CoCo - weren't present at the wedding, their grandma Gwen Field was there to watch her eldest granddaughter capture the crowd with her cheeky demeanour.